This packet of 14 learning modules on trade math is one of 20 such packets developed for apprenticeship training for stationary engineers. Introductory materials are a complete listing of all available modules and a supplementary reference list. Each module contains some or all of these components: goal, performance indicators, study guide (a checklist of steps the student should complete), an introduction, information sheets, a vocabulary list, assignment sheet, job sheet, self-assessment, self-assessment answers, post-assessment, and instructor post-assessment answers. The 14 training modules cover linear measurement; whole numbers; addition and subtraction of common fractions and mixed numbers; multiplication and division of common fractions and whole and mixed numbers; compound numbers; percent; mathematical formulas; ratio and proportion; perimeters, areas, and volumes; circumference and area of circles; areas of plane figures and volumes of solid figures; graphs; basic trigonometry; and metrics. (YLB)